Ferreira, W.S., Andrade, C.L.L. de, Cabral Filho, F.R. and Teixeira, M.B. 2023. Evaluation of gas exchange and fluorescence in corn second crop under different nitrogen sources and doses. Brazilian Journal of Science. 2, 2 (Feb. 2023), 1–11. DOI:https://doi.org/10.14295/bjs.v2i2.250.